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don't count session_requests when SESSIONS_RATE_LIMIT is not set

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This commit is contained in:
jomo 2020-07-13 00:14:27 +02:00
parent db565f86c8
commit 624bf0e338
3 changed files with 6 additions and 6 deletions
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2
config.js
View File

@ -54,7 +54,7 @@ var config = {
log_time: process.env.LOG_TIME === "true",
// rate limit per second for outgoing requests to the Mojang session server
// requests exceeding this limit are skipped and considered failed
sessions_rate_limit: parseInt(process.env.SESSIONS_RATE_LIMIT) || Infinity
sessions_rate_limit: parseInt(process.env.SESSIONS_RATE_LIMIT)
},
sponsor: {
sidebar: process.env.SPONSOR_SIDE,

2
lib/helpers.js
View File

@ -243,7 +243,7 @@ exp.get_image_hash = function(rid, userId, type, callback) {
// an error occured, but we have a cached hash
// (e.g. Mojang servers not reachable, using outdated hash)
// when hitting the rate limit, let's pretend the request succeeded and bump the TTL
// bump the TTL after hitting the rate limit
var ratelimited = store_err.code === "RATELIMIT";
cache.update_timestamp(rid, userId, !ratelimited, function(err2) {
callback(err2 || store_err, 4, cache_details && cached_hash, slim);

8
lib/networking.js
View File

@ -23,7 +23,7 @@ function req_count() {
}
}
// deletes all entries in session_requests older than a second
// deletes all entries in session_requests, should be called every 1000ms
exp.resetCounter = function() {
var count = req_count();
if (count) {
@ -41,10 +41,10 @@ exp.resetCounter = function() {
// callback: the body, response,
// and error buffer. get_from helper method is available
exp.get_from_options = function(rid, url, options, callback) {
var session_req = url.startsWith(session_url);
var is_session_req = config.sessions_rate_limit && url.startsWith(session_url);
// This is to prevent being blocked by CloudFront for exceeding the rate limit
if (session_req && req_count() >= config.server.sessions_rate_limit) {
if (is_session_req && req_count() >= config.server.sessions_rate_limit) {
var e = new Error("Skipped, rate limit exceeded");
e.name = "HTTP";
e.code = "RATELIMIT";
@ -54,7 +54,7 @@ exp.get_from_options = function(rid, url, options, callback) {
callback(null, response, e);
} else {
session_req && session_requests.push(Date.now());
is_session_req && session_requests.push(Date.now());
request.get({
url: url,
headers: {